Bath tub



FIG. 1 is a top plan view of a bath tub showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a cross-sectional view as taken along line 5--5 of FIG. 1;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof. 

The ornamental design for the bath tub, as shown and described. 